GPS location tagging on iPhone photos is a world class gift and I can tell you that it's saved me more than once from minutes of swiping through years of pictures to find the one I want. When I show the Places tab in Apple Photos to my clients, and teach them how to use it, I swear that I see tears of joy.

If you visit any large city and photograph tall buildings, you quickly understand the problem of perspective. Unless you are about half a mile away (just try that in New York) you have to shoot up and use a wide angle lens to fit it all in. The inevitable result is a building that looks like it's falling backwards. And if you're shooting 2 buildings side by side, it looks like they are going to hug.

My first real gig as a freelance photographer was shooting sailboat races in the Pacific Northwest. I'd stand near the bow of a 16 foot long powerboat, taking pictures, as we sped alongside crazy fast racing dinghies plowing through turbulent seas.